JOOMLA
joomla is free CMS (content mangment system ) you can define any static pages and use any component and moudle and very template design for joomla. you can add security and easy to use in all section . IS tow version 1.0.x & 1.5.x I add link for download 1.0.x you can find other in joomla.org
PHP-NUKE V8.1
PHP nuke is good CMS in this you find any component and extination for any work this CMS is commerical and for this you most pay money but I add download link for lates version you can use in your site easy to use and with good security nuke firewall you can use this for any vision in site design . PHP NUKE SITE
e107: 0.7.11
e107 SITE is good that's very simple to use and vary easy to install you can quick design your site and you find any them and other things in this site e-107 website
Oscommerce
osCommerce Online Merchant is a complete online store solution that contains both a catalog frontend and an administration tool backend which can be easily installed and configured over a web-based installation procedure.